Yield strength of a material is determined by the ______ test:
A. Creep
B. Tension
C. Compression
D. Endurance
In an eutectic system, two elements are completely:
A. Soluble in solid state
B. Insoluble in liquid state
C. Insoluble in both solid & liquid state
D. Soluble in liquid state
A solution which resists change in its pH value on addition of acid/alkali is called the ____ solution:
A. Neutral
B. Ideal
C. Buffer
D. Zero pH
The material used for coating the welding electrode is termed as the:
A. Flux
B. Slag
C. Protective layer
D. Binder
In chemical dehumidification process:
A. Wet bulb temperature increases
B. Dry bulb temperature remains constant
C. Dew point temperature increases
D. Dry bulb temperature increases
Which of the following is an example of stress corrosion:
A. Season cracking of brass
B. Caustic embrittlement of steel
C. Both A. & B.
D. Neither A. nor (B)
_____ joint is mostly used for joining pipes carrying water at low pressure:
A. Nipple
B. Socket
C. Union
D. Bell and spigot
Silicon percentage in the silicon steel used for electrical appliances/equipments is:
A. 0.3-0.4
B. 12-14
C. 3-4
D. 20-25
Annealing of cast iron:
A. Softens it to facilitate machining
B. Decreases the free carbon
C. Increases the strength
D. None of these
Thermistors are used in _____ devices:
A. Voltage measuring
B. Temperature measuring
C. Temperature compensating
D. Both B. & C.
