MCQ 11 MarkThe atmospheric pressure at sea level is nearlyA$10 \ Pa$✓$100,000 \ Pa$C$100 \ Pa$D$10,000 \ Pa$AnswerCorrect option: B. $100,000 \ Pa$View full question & answer→
MCQ 21 MarkNose bleeding may occur at a high altitude because✓the atmospheric pressure decreasesBthe oxygen content of atmosphere decreasesCthe atmospheric pressure increasessDthere are strong air currents at the high altitudeAnswerCorrect option: A. the atmospheric pressure decreasesView full question & answer→
MCQ 31 MarkPressure inside a liquid increases with✓increase in depthBdecrease in depthCdecrease in densityDnone of the aboveAnswerCorrect option: A. increase in depthView full question & answer→
MCQ 41 MarkPressure exerted by a liquid is due to it✓weightBmassCvolumeDareaAnswerCorrect option: A. weightView full question & answer→
MCQ 51 MarkThe feet of lizards act likeAmoving padsBdrilling pads✓suction padsDnone of the aboveAnswerCorrect option: C. suction padsView full question & answer→
MCQ 61 MarkA body weighing $5 \ kgf$ , placed on a surface of area $0.1 m^2$, exerts a thrust on the surface equal to✓$50 \ kgf$B$5 \ kgf$C$50 \ kgf m ^{-2}$D$5 \ kgf m ^{-2}$AnswerCorrect option: A. $50 \ kgf$View full question & answer→
MCQ 71 MarkThe pressure and thrust are related asAPressure $=$ ThrustBPressure $=$ Thrust $\times$ Area✓Pressure $=$ Thrust $/$ AreaDPressure $=$ Area $/ $ ThrustAnswerCorrect option: C. Pressure $=$ Thrust $/$ AreaView full question & answer→
MCQ 81 MarkThe unit of pressure isA$N \times m$B$kgf$✓$N m ^{-2}$D$kgf\ m ^2$AnswerCorrect option: C. $N m ^{-2}$View full question & answer→
MCQ 91 MarkThe unit of thrust is✓$kgf$B$kg$C$g$D$m s ^{-1}$AnswerCorrect option: A. $kgf$View full question & answer→
MCQ 101 MarkTo obtain a given moment of force for turning a body, the force needed can be decreased byAapplying the force at the pivoted pointBapplying the force very close to the pivoted point✓applying the force farthest from the pivoted pointDnone of the aboveAnswerCorrect option: C. applying the force farthest from the pivoted pointView full question & answer→
MCQ 111 Mark$\text{SI}.$ unit of moment of force isA$N$B$\text{NCM}$C$\text{khfm}$✓$\text{Nm}$AnswerCorrect option: D. $\text{Nm}$View full question & answer→