A. aluminium, copper etc
B. nickel, molybdenum etc
C. nickel, copper, etc
D. all of the above
E. none of the above
Related Mcqs:
- Basic constituents of Monel metal are _________________?
A. nickel, copper
B. nickel, molybdenum
C. zinc, tin, lead
D. nickel, lead and tin
E. none of the above - Which of the following constituents of steels is softest and least strong ________________?
A. austenite
B. pearlite
C. ferrite
D. cementlte
E. bainite - The pressure and temperature conditions of air at the suction of compressor are_________________?
A. atmospheric
B. slightly more than atmospheric
C. slightly less than atmospheric
D. pressure slightly more than atmospheric and temperature slightly less than atmospheric
E. pressure sightly less than atmospheric and temperature slightly more than atmospheric - The diameters of fire tubes and superheaer tubes in locomotive boiler are_________________?
A. 47.5 mm, 130 mm
B. 32.5 mm, 180 mm
C. 65.5 mm, 210 mm
D. 24.5 mm, 65 mm - The fire tubes in, a Coarran and Scotish marine boiler are_________________?
A. horizontal
B. vertical
C. inclined
D. both horizontal and vertical
E. horizontal and inclined - Basic solution is one which has pH value___________________?
A. greater than 7
B. equal to 7
C. less than 7
D. pH value has nothing to do with basic solution
E. none of the above - One of the basic essentials of an incentive plan is that_________________?
A. a differential piece rate system should exist
B. minimum wages should be guaranteed
C. provide incentive to group efficiency performance
D. all standards should be based on optimum standards of production
E. all standards should be based on time studies - The basic requirement of a good combustion chamber is___________________?
A. high compression ratio
B. low compression ratio
C. low volumetric efficiency
D. minimum turbulence
E. high power output and high thermal efficiency - The basic purpose of drum in boiler is to_____________________?
A. serve as storage of steam
B. serve as storage of feed water for water wall
C. remove salts from water
D. separate steam from water
E. control level - The basic job of feed water treatment in boilers is to overcome the problem of __________________?
A. corrosion
B. scale
C. carryover
D. embrittlement
E. all of the above
