# Physics Competitive Exams MCQs Online Test

If you are looking Physics question answers MCQs you are here on right page. Objective type question answers for your PPSC, SPSC, CSS, BPSC, PMS, NTS, KPPSC, FPSC, AJKPSC MCQs question answers past papers qeustions with online solutions learn here.

#### Physics Solved MCQs Online Quiz Test

Q.1: The performance of a refrigerator is described by——–?

1. efficiency
2. coefficient of performance
3. both A and B
4. not described

B

Q.2: In which process all the heat supplied is converted into work done ?

1. isothermal
2. isochoric
3. isobaric
4. isentropic

A

Q.3: The value of γ for diatomic gas is——–?

1. 1.67
2. 1.4
3. γ = 1.3
4. None

B

Q.4: The carburettor of a car is an application of——–?

1. Venturi meter
2. Bernoulli equation
3. Both A and B
4. None

C

Q.5: The blood flow is ——– flow at systolic pressure?

1. Laminar
2. Turbulent
3. Mixed
4. None

A

Q.6: The profile of aeroplane wing which lifts it up is called as——-?

1. Wing shape
2. Aerofoil profile
3. Curved profile
4. None of these

B

Q.7: Bernoulli’s equation is applicable for———?

1. Laminar flow
2. Turbulent flow
3. Both laminar and turbulent flow
4. None of these

C

Q.8: The density of human blood is nearly equal to——?

1. Water
2. Honey
3. Mercury
4. Oil (kerosene)

A

Q.9: The speed of the fluid is maximum in the venturi meter at——–?

1. Convergent duct
2. Divergent duct
3. Throat
4. None of these

D

Q.10: The normal blood pressure range for a human body is——-?

1. 120 to 80 torr
2. 100 to 80 torr
3. 120 to 60 torr
4. 60 to 140 torr

C