SAT Physics: Pressure Multiple Choice Questions (MCQ) PDF - 6

MCQ 26: The density of mercury is

1. 1.36 × 10³ kg m^-3
2. 2.36 × 10³ kg m^-3
3. 4.36 × 10³ kg m^-3
4. 3.36 × 10³ kg m^-3

MCQ 27: An enclosed body of liquid is able to transmit pressure that is unchanged to

1. other parts of plasma
2. other parts of the liquid
3. other parts of the gas
4. other parts of any solid

MCQ 28: The system that helps a car driver to stop the car and to control the speed of the car he is driving is

1. car hydraulic disc brake system
2. car jack system
3. car demotoralize system
4. car mechanism system

MCQ 29: A 15 N force exerted on a small piston of area 0.025 m². The large piston has the area of 0.05 m². What is the pressure exerted on the large piston?

1. 900 Pa
2. 120 Pa
3. 300 Pa
4. 600 Pa

MCQ 30: A manometer containing mercury of density 1.36 × 10³ kg m^-3 connected to a gas supply. What is the pressure of gas supply in cm Hg?

1. 54 cm Hg
2. 39 cm Hg
3. 81 cm Hg
4. 70 cm Hg