92.

93.

94.

95.

96.

97.

98.

99.

100.

094/2022

Ina cold and hot water mixing faucets, the hot water connection is given to

(A)
(0)

Right side of the user (
Left side of the user

(D)

Middle of the faucets
Either side of the user

B)

With reference to solar water heater what does ‘ETC’ means?

(A)
(0)

Elevated tube collector (
Evaporated tube collector

(D)

B) Evacuated tube collector

Energy tube collector

Chimney’s works based on principle of energy conservation which is also known as

(^) Pascals law ൯) Bernoulli’s equations
(೮) Archemedes principle (0) Avagadro’s law
What is the maximum temperature of hot water through solar water heater?
(A) 40°C (B) 62°C
(C) 70°C (D) 80°C
Benefits of ‘Rain water harvesting’
व्‌. Reduce the salinity
11. Produce grey water
111. Avoid flooding
IV. Ground water table rises
(^) 1, 111 and IV are correct (8) 1, 11 ೩/೧4 111 are correct
(0) I, 111 गाव IV are correct (90) ^] € correct
The quantity of heat required to rise the temperature of one gram of a substance through 1°C
is called
(^) Specific heat (B) Latent heat
(೮) Calorific value (D) Sensible heat
Convection occurs in
(A) Liquid and gas (B) Liquid and solid
(C) Gas and solid (D) Liquid only
Which of the following renewable source of energy?
(A) Natural gas (B) Coal
(C) Solar (D) Nuclear energy
Which instrument is used to measure the temperature of red hot metal radiations upto
3000 °C?
(A) Hygrometer (B) Pyrometer
(C) Hydrometer (1) Tetrameter

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