Top 550+ Solved Thermal Engineering 2 MCQ Questions Answer

a. true

b. false

a. absorbent

b. refrigerant

c. absorbent and refrigerant

d. none of the mentioned

a. direct expansion systems

b. indirect expansion systems

c. chilled water systems

d. indirect contraction systems

a. compressor

b. condenser

c. chiller

d. evaporator

a. true

b. false

a. fan coil unit

b. ducting grill

c. compressor

d. evaporator

a. they should be capable of removing dust particles from the incoming air

b. they should afford easy cleaning

c. they should offer low frictional resistance to the airflow

d. they should offer high frictional resistance to the airflow

a. true

b. false

a. viscous type filters

b. dry filter

c. spray washers

d. electric precipitators

a. they are used to remove dust by providing a strong electric field

b. their initial installation cost is high

c. their operational cost is low

d. dust particles get attached to the positive electrode

a. heating

b. cooling

c. humidification

d. dehumidification

a. silica gel

b. charcoal

c. salts of calcium or ammonia

d. activated alumina

a. parallel system

b. once through system

c. air based system

d. non-reversible system

a. 1

b. 2

c. 3

d. 4

a. spray cooling pond

b. cooling tower

c. indirect air cooling

d. hyperbolic cooling tower