Related Questions

Addition of __________ in steel can help in increasing the depth of hardness.
A Nickel
B Chromium
C Vanadium
D Tungsten
Depth of hardness of steel is increased by addition of
A Nickel
B Chromium
C Tungsten
D Vanadium
A swimming pool is initially filled to a depth of 96 inches. After 2 weeks, the depth has decreased to9212 inches. Assuming that the depth decreased at a constant rate, after how many days would the water depth have reached 9334 inches?
A 3
B 9
C 7
D 6
Which of the following hardness tests uses the depth of penetration caused by the indentor as the parameter for arriving at the hardness value of a material ?
A Shore sceleroscope test
B Vicker's hardness test
C Brinell hardness test
D Rockwell hardness test
Addition of __________ to steel does not impart hardness.
A Nickel
B Copper
C Chromium
D Silicon
Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets.
A Chromium
B Nickel
C Tungsten
D Cobalt
Grain hardness is measured by the __________ hardness testing method.
A Knoop
B Rockwell F
C Shore sceleroscope
D Vicker's
Presence of __________ hardness is responsible for the temporary hardness in water.
A Carbonate
B Calcium
C Choride
D Sulphate
__________ property of steel increases by addition of large amount of silicon in it.
A Mechanical
B Machining
C Magnetic
D Refractory
The hardness of steel increases if it contains
A Austenite
B Martensite
C Pearlite
D Cementite

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