A. drooping characteristic
B. linear characterisstic
C. rising characteristic
D. flat characteristic
C. none of the above
Related Mcqs:
- The safety valve at superheater as compared to drum safety valve setting is set at___________________?
A. higher value
B. lower value
C. same value
D. any value
E. none of the above - In ordetjo obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will _________________?
A. remain unaffected
B. improve C. worsen
C. may improve/worsen depending on size
D. unpredictable - Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler _________________?
A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. first decreases and then increases - The relative heat absorption for successively added equal areas of boiler convection heating surfaces____________________?
A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. first decreases and then increases - With increase in load, radiant super heater has____________________?
A. drooping characteristic
B. lihear characterisstic
C. rising characteristic
D. flat characteristic
E. none of the above - The steam temperature with increase in load in case of a boiler fitted with radiation super heater________________?
A. increases
B. decreases
C. remains unaffected
D. first increases and then decreases
E. unpredictable - The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of__________________?
A. lean mixture
B. chemically correct mixture
C. rich mixture
D. unpredictable
E. none of the above - Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of________________?
A. Lean mixture
B. Chemically correct fuel air ratio
C. Rich mixture
D. Unpredictable - In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?
A. W between P and F
B. F between W and P
C. P between W and F
D. W, P and F all on one side
E. none of the above - For low load operation, more suitable (economical) engine is_______________?
A. S.I. engine
B. C.I. engine
C. both are equally good
D. multicylinder engine
E. two stroke engine
