question_data = `{
    "title": " Test 15 GOC Wave Propagation 7", 
    "buttonText": "Klicka här för att rätta",
    "questions": [{
            "number": "1",
            "question": "Regular changes in the ionosphere occur approximately every : ",
            "correct": "c",
            "answer": [
                {
                    "label": "a",
                    "text": "days "
                }, 
                {
                    "label": "b",
                    "text": "months "
                }, 
                {
                    "label": "c",
                    "text": "years "
                }, 
                {
                    "label": "d",
                    "text": "centuries "
                }]
        }, {
            "number": "2",
            "question": " When a HF transmitted radio signal reaches a receiver, small changes in the ionosphere can cause: ",
            "correct": "c",
            "answer": [
                {
                    "label": "a",
                    "text": "consistently stronger signals "
                }, 
                {
                    "label": "b",
                    "text": "a change in the ground wave signal  "
                }, 
                {
                    "label": "c",
                    "text": " variations in signal strength"
                }, 
                {
                    "label": "d",
                    "text": "consistently weaker signals  "
                }]
        }, {
            "number": "3",
            "question": " The usual effect of ionospheric storms is to:  ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": " increase the maximum usable frequency "
                }, 
                {
                    "label": "b",
                    "text": " cause a fade-out of sky-wave signals "
                }, 
                {
                    "label": "c",
                    "text": "produce extreme weather changes "
                }, 
                {
                    "label": "d",
                    "text": " prevent communications by ground wave"
                }]
        }, {
            "number": "4",
            "question": "Changes in received signal strength when sky wave propagation is used are called:   ",
            "correct": "c",
            "answer": [
                {
                    "label": "a",
                    "text": " ground wave losses "
                }, 
                {
                    "label": "b",
                    "text": " modulation losses "
                }, 
                {
                    "label": "c",
                    "text": "fading "
                }, 
                {
                    "label": "d",
                    "text": "sunspots  "
                }]
        }, { 
            "number": "5",
            "question": " Although high frequency signals may be received from a distant station by a sky wave at a certain time, it may not be possible to hear them an hour later. This may be due to:  ",
            "correct": "a",
            "answer": [
                {
                    "label": "a",
                    "text": " changes in the ionosphere "
                }, 
                {
                    "label": "b",
                    "text": "shading of the earth by clouds  "
                }, 
                {
                    "label": "c",
                    "text": "changes in atmospheric temperature  "
                },
                {
                    "label": "d",
                    "text": "absorption of the ground wave signal "
                }]
        }, {
            "number": "6",
            "question": "VHF or UHF signals transmitted towards a tall building are often received at a more distant point in another direction because:   ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": " these waves are easily bent by the ionosphere "
                }, 
                {
                    "label": "b",
                    "text": "these waves are easily reflected by objects in their path  "
                }, 
                {
                    "label": "c",
                    "text": "you can never tell in which direction a wave is travelling  "
                }, 
                {
                    "label": "d",
                    "text": " tall buildings have elevators "
                }]
        }, {
            "number": "7",
            "question": "  ",
            "correct": "a",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": " "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "8",
            "question": "  ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "9",
            "question": "  ",
            "correct": "a",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "10",
            "question": "  ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "11",
            "question": "  ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "12",
            "question": "  ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "13",
            "question": "  ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": " "
                }, 
                {
                    "label": "d",
                    "text": " "
                }]
        }, {
            "number": "14",
            "question": "  ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "15",
            "question": "  ",
            "correct": "c",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "16",
            "question": "  ",
            "correct": "c",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "17",
            "question": "  ",
            "correct": "a",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": " "
                }]
        }, {
            "number": "18",
            "question": "  ",
            "correct": "b",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "19",
            "question": "  ",
            "correct": "d",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": "  "
                }]
        }, {
            "number": "20",
            "question": "  ",
            "correct": "d",
            "answer": [
                {
                    "label": "a",
                    "text": "  "
                }, 
                {
                    "label": "b",
                    "text": "  "
                }, 
                {
                    "label": "c",
                    "text": "  "
                }, 
                {
                    "label": "d",
                    "text": " "
                }]
        }]
}`;