GPSC RTO Exam Most IMP MCQ |

 

1. The solar heat pipe works on the principle of

A) heating and condensation cycle
B) evaporation and condensation cycle
C) cooling and condensation cycle
D) heating and evaporation cycle

... The answer is D)
heating and evaporation cycle

2. A good approximation of the measured solar spectrum is made by

A) black-body energy distribution
B) Planck’s energy distribution
C) inverse square law
D) solar constant

... The answer is A)
black-body energy distribution

3. Which one of the following types of tracker uses liquid contained in canisters that can turn easily into vapour?

A)Active tracker
B) Passive tracker
C) Single-axis tracker
D) Altitude-azimuth tracker

... The answer is B)
Passive tracker

4. Which type of flat-plate collector is used to heat the swimming pools with plastic panel, utilizing solar energy?

A)Pipe and fin type
B) Full water sandwich type
C) Thermal traps type
D) Corrugated plate with selective surface

... The answer is B)
Full water sandwich type

5. In solar porous type air heater, the pressure drop is usually

A) higher than non-porous type
B) same as in non-porous type
C) lower than non-porous type
D) zero

... The answer is B)
same as in non-porous type

6.In a drainback solar water heating system

A) the water in the heat exchanger is recycled
B) the water is heated in collectors only during times when there is available heat
C) at the collector, the mixture of water and propylene-glycol is heated and returned to a solar storage tank
D) there is an expansion tank with enclosed air chamber to assist water draining

... The answer is C)
at the collector, the mixture of water and propylene-glycol is heated and returned to a solar storage tank

7. The platinum nano-coating is made on the anode of the fuel cell to

A) Create lighter and more efficient fuel cell membranes
B) Make the fuel effective
C) Create high thermal conductivity in the cell
D)Make the fuel cell non-corrosive

... The answer is B)
Make the fuel effective

8. In a fuel cell, electric current is produced when

A)Hydrogen and oxygen react with each other and electrons are freed
B) Hydrogen reacts with water and electrons are freed
C) Oxygen reacts with water and electrons are freed
D) Electrons react with molecules of hydrogen and oxygen is freed

... The answer is A)
Hydrogen and oxygen react with each other and electrons are freed

9. Which one of the following is suitable for fuel cell electric vehicle (FCEV)?

A) Direct methanol fuel cell (DMFC)
B)Alkaline fuel cell (AFC)
C) Proton exchange membrane fuel cell (PEMFC)
D)Solid oxide fuel cell (SOFC)

... The answer is C)
Proton exchange membrane fuel cell (PEMFC)

10. In a beam of I-section, which of the following parts will take the maximum shear stress when subjected to traverse loading?

1. Flange 

2. Web 

Select the CORRECT answer using code given below.

A) 1 only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2

... The answer is B)
2 only