A. face-centred cubic lattice
B. body-centred cubic lattice
C. hexagonal close-packed lattice
D. all of the above
E. none of the above
Related Mcqs:
- Materials after cold working are subjected to following process to relieve stresses__________________?
A. hot working
B. tempering
C. normalising
D. annealing
E. special heat treatment - Isotropic materials are those which have the same ____________________?
A. elastic properties in all directions
B. stresses induced in all directions
C. thermal properties in all directions
D. electric and magnetic properties in all directions
E. density throughout - The percentage of carbon in grey iron castings usually varies between __________________?
A. 0.5 to 1%
B. 1 – 2%
C. 2.5 to 4.5%
D. 5 – 7%
E. 7-9%. - Connecting rod is usually made of_________________?
A. aluminium
B. low carbon steel
C. medium carbon steel
D. high carbon steel
E. cast iron - Piston rings are usually made of___________________?
A. cast iron
B. aluminium
C. phosphor bronze
D. babbitt
E. carbon steel - The pistons are usually given a coating such as tin plating in order to________________?
A. reduce weight
B. conduct heat efficiently
C. reduce possibility of scoring
D. reduce friction
E. increase lubrication effect - A two stroke engine is usually identified by__________________?
A. size of flywheel
B. weight of engine
C. type of lubrication system
D. absence of valves
E. location of fuel tank - In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to________________?
A. sin 9
B. sin 9
C. cas 9
D. cos 9
E. tan 9 - Which of the following pipes is least corrosion resistant__________________?
A. brass
B. mild steel
C. cast iron
D. wrought iron
E. copper - Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element__________________?
A. iron
B. copper
C. aluminium
D. zinc
E. nickel
