questions=new Array(); questions[0]=new Array(); //Question 1 definition questions[0][0]="The SI unit of power is the:"; //Question text questions[0][1]=" Joule (J)"; //Answer option no.1 questions[0][2]=" Watt (W)"; //Answer option no.2 questions[0][3]=" Pascal (Pa)."; //Answer option no.3 questions[0][4]="2"; questions[1]=new Array(); //Question 2 definition questions[1][0]="A scalar has:"; //Question text questions[1][1]=" magnitude but no direction"; //Answer option no.1 questions[1][2]=" direction but no magnitude"; //Answer option no.2 questions[1][3]=" magnitude and direction."; //Answer option no.3 questions[1][4]="1"; questions[2]=new Array(); //Question 3 definition questions[2][0]="A force of 20 N acts over an area of 0.25 m². The pressure will be:"; //Question text questions[2][1]=" 5 Pa"; //Answer option no.1 questions[2][2]=" 40 Pa"; //Answer option no.2 questions[2][3]=" 80 Pa"; //Answer option no.3 questions[2][4]="3"; questions[3]=new Array(); //Question 4 definition questions[3][0]="A VHF radio signal has a wavelength of 0.5 m. What is its frequency?"; //Question text questions[3][1]=" 0.5 MHz"; //Answer option no.1 questions[3][2]=" 300 MHz"; //Answer option no.2 questions[3][3]=" 500 MHz"; //Answer option no.3 questions[3][4]="2"; questions[4]=new Array(); //Question 5 definition questions[4][0]="The energy required to convert 3 kg of ice at 0°C to water at 30°C is:"; //Question text questions[4][1]=" 0.38 MJ"; //Answer option no.1 questions[4][2]=" 1 MJ"; //Answer option no.2 questions[4][3]=" 1.38 MJ"; //Answer option no.3 questions[4][4]="3"; questions[5]=new Array(); //Question 6 definition questions[5][0]="The enthalpy of a system fluid is its:"; //Question text questions[5][1]=" internal energy plus its pressure-volume energy"; //Answer option no.1 questions[5][2]=" internal energy minus its pressure-volume energy"; //Answer option no.2 questions[5][3]=" internal pressure-volume energy minus its internal energy."; //Answer option no.3 questions[5][4]="1"; questions[6]=new Array(); //Question 7 definition questions[6][0]="A manometer is a device for measuring:"; //Question text questions[6][1]=" pressure"; //Answer option no.1 questions[6][2]=" volume"; //Answer option no.2 questions[6][3]=" temperature."; //Answer option no.3 questions[6][4]="1"; questions[7]=new Array(); //Question 8 definition questions[7][0]="Mechanical advantage is defined as:"; //Question text questions[7][1]=" effort/load"; //Answer option no.1 questions[7][2]=" load/effort"; //Answer option no.2 questions[7][3]=" effort - load"; //Answer option no.3 questions[7][4]="2"; questions[8]=new Array(); //Question 9 definition questions[8][0]="A force of 4 kN acts at an angle of 60° to the horizontal. The force will have:"; //Question text questions[8][1]=" a vertical component of 2 kN"; //Answer option no.1 questions[8][2]=" a vertical component of 3 kN"; //Answer option no.2 questions[8][3]=" a vertical component of 3.46 kN."; //Answer option no.3 questions[8][4]="1"; questions[9]=new Array(); //Question 10 definition questions[9][0]="Modulus of rigidity is defined as:"; //Question text questions[9][1]=" shear strain divided by shear stress"; //Answer option no.1 questions[9][2]=" shear stress divided by shear strain"; //Answer option no.2 questions[9][3]=" shear stress multiplied by shear strain."; //Answer option no.3 questions[9][4]="2"; document.write("

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