- (A) increase
- (B) decrease
- (C) may increase or decrease depending on the type of refrigerant used
- (D) remain unaffected
- (E) unpredictable
Mechanical Engineering Mcqs
- (A) ammonia vapour goes into solution
- (B) ammonia vapour is driven out of solution
- (C) lithium bromide mixes with ammonia
- (D) weak solution mixes with strong solution
- (E) lithium bromide is driven out of solution
- (A) more
- (B) less
- (C) same
- (D) more/less depending on size of plant
- (E) unpredictable
- (A) more
- (B) less
- (C) equally.
- (D) unpredictable
- (E) none of the above
- (A) Freon-12
- (B) NH3
- (C) C02
- (D) Freon-22
- (E) S02
- (A) same
- (B) more
- (C) less
- (D) more or less depending on ambient conditions
- (E) unpredictable
- (A) lowers evaporation temperature
- (B) increases power required per ton of refrigeration
- (C) lowers compressor capacity because vapour is lighter
- (D) reduces weight displaced by piston
- (E) all of the above
- (A) vapour compression
- (B) vapour absorption
- (C) carnot cycle
- (D) electrolux refrigerator
- (E) dual cycle
- (A) 1 : 1
- (B) 1 : 9
- (C) 9 : 1
- (D) 1 : 3
- (E) 3 : 1
- (A) non-toxic
- (B) non-inflammable
- (C) toxic and non-inflammable
- (D) highly toxic and inflammable
- (E) none of the above
