- (A) 1 sec
- (B) 0.1 sec
- (C) 0.01 sec
- (D) 0.001 sec
- (E) 0.0001 sec
Mechanical Engineering Mcqs
- (A) more efficient
- (B) less efficient
- (C) equally efficient
- (D) unperdictable
- (E) other factors will decide it
- (A) Otto cycle
- (B) Diesel cycle
- (C) Dual cycle
- (D) Carnot cycle
- (E) Two stroke cycle
- (A) 1500 rpm
- (B) 750 rpm
- (C) 3000 rpm
- (D) any value independent of engine speed
- (E) none of the above
- (A) 2-stroke cycle engines
- (B) 4-stroke cycle engines
- (C) aeroplane engines
- (D) diesel engines
- (E) high efficiency engines
- (A) the friction is high
- (B) the friction is unpredictable
- (C) the small difference in cooling water temperature or in internal friction has a disproportionate effect
- (D) the engine is rarely operated
- (E) none of the above
- (A) 1 valve
- (B) 2 valves
- (C) 3 valves
- (D) 4 valves
- (E) no valve
- (A) it is properly designed
- (B) best quality fuel is used
- (C) can not work as it is impossible
- (D) flywheel size is proper
- (E) engine cooling is stopped
- (A) uniform throughout the mixture
- (B) chemically correct mixture
- (C) about 3-5% rich mixture
- (D) about 10% rich mixture
- (E) about 10% lean mixture
- (A) minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame
- (B) temperature at which it solidifies or congeals
- (C) it catches fire without external aid
- (D) indicated by 90% distillation temperature, i.e., when 90% of sample oil has distilled off
- (E) temperature at which it flows easily
