AUTOMOBILE ENGINEERING MCQ SECTION 1

  

1. The radiation in the sunlight that gives us the feeling of hotness is

(A) Visible radiation

(B) Infra-red

(C) Red

(D) Ultra-violet

Answer: - Infra-red

2. Which of the following is not a bio-mass source ?

(A) Gobar gas

(B) Coal

(C) Wood

(D) Nuclear energy

Answer: - Nuclear energy

3. The unit of pressure in S.I. units is

(A) kg/cm2

(B) mm of water column

(C) pascal

(D) dynes/cm2

Answer: - pascal

4. According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as

(A) temperature

(B) absolute temperature

(C) absolute temperature, if volume is kept constant

(D) volume, if temperature is kept constant

Answer: - absolute temperature, if volume is kept constant

5. The basis for measuring thermodynamic property of temperature is given by

(A) zeroth law of thermodynamics

(B) first law of thermodynamics

(C) second law of thermodynamics

(D) third law of thermodynamics

Answer: - zeroth law of thermodynamics

6. According to Clausius statement of second law of thermodynamics

(A) heat can’t be transferred from low temperature source to high temperature source

(B) heat can be transferred from low temperature to high temperature source by using

refrigeration cycle

(C) heat can be transferred from low temperature to high temperature source if COP of process

is more than unity

(D) heat can’t be transferred from low temperature to high temperature source without the aid of external energy

Answer: - heat can’t be transferred from low temperature to high temperature source without the aid of external energy

7. By which process is solar energy converted into chemical energy?

(A) Evaporation

(B) Greenhouse effect

(C) Photosynthesis

(D) None of the three

Answer: - Photosynthesis

8. Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of

(A) high initial and maintenance cost

(B) lower discharge

(C) lower speed of operation

(D) necessity of air vessel

Answer: - high initial and maintenance cost

9. Which of the following instrument can be used for measuring speed of an aeroplane?

(A) Venturi meter

(B) Orifice plate

(C) Rotameter

(D) Pitot tube

Answer: - Pitot tube

10. Bernoulli equation deals with the law of conservation of

(A) mass

(B) momentum

(C) energy

(D) work

Answer: - energy