McqsFactory McqsFactory.com is the devoted website for multiple choice questions answers in Pakistan. McqsFactory has been specially designed to cover this paper for various such examinations. The material of McqsFactory has been collected after going through different examination papers.
A. carbon, hydrogen, nitrogen, sulphur, moisture
B. fixed carbon, ash, volatile matter, moisture
C. higher calorific value
B. lower calorific value
Answer
Answer
A.
Submitted by: Imdad Shahani
Which device is used in thermal power plants to reduce level of pollution?
A. induced draft fan
B. smoke meter
C. chimney
D. precipitator
Answer
Answer
D. precipitator
Submitted by: Imdad Shahani
In locomotives, the draught is produced by?
A. chimney
B. induced draft fan
C. both combined A. and B.
D. steam jet draught
Answer
Answer
D. steam jet draught
Submitted by: Imdad Shahani
Vacuum for reciprocating steam engines compared to steam turbines is?
A. more
B. equal
C. less
D. could be more or less depending on the size of plant
Answer
Answer
C. less
Submitted by: Imdad Shahani
The height of chimney in a power plant is governed by?
A. the draft to be created
B. limitation of construction facilities
C. control of pollution
D. quantity of flue gases to be handled
Answer
Answer
C. control of pollution
Submitted by: Imdad Shahani
With increase in load, convection superheater has?
A. drooping characteristic
B. linear characterisstic
C. rising characteristic
D. flat characteristic
Answer
Answer
C. rising characteristic
Submitted by: Imdad Shahani
In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine?
A. Lancashire boiler
B. locomotive boiler
C. Babcock and Wilcox boiler
D. Cochran boiler
Answer
Answer
B. locomotive boiler
Submitted by: Imdad Shahani
The radius of a dished head is taken approximately as?
A. one-fourth
B. half
C. one
D. two
Answer
Answer
C. one
Submitted by: Imdad Shahani
Thermal efficiency of a thermal power plant is of the order of?
A. 15%
B. 20%
C. 30%
D. 45%
Answer
Answer
C. 30%
Submitted by: Imdad Shahani
Pick up wrong statement about desired properties of a good fuel?
A. high calorific value
B. produce minimum smoke and gases
C. ease in storing
D. high ignition point
Answer
Answer
D. high ignition point
Submitted by: Imdad Shahani