A. Silver nitrate
B. Silver halide
C. Calcium silicate
D. Metallic silver
✅ The correct answer is option B.
Engineering MCQs
At room temperature, F.C.C. crystal structure is observed in
A. Lead
B. Cupro-nickel
C. Titanium
D. Tungsten
✅ The correct answer is option A.
Galvanic corrosion
A. Occurs in a bimetal couple
B. Occurs in highly stressed metallic parts only
C. Is exemplified by caustic embrittlement of boiler tubes
D. Is also called dezincification
✅ The correct answer is option A.
__________ property of a material is determined by the Herbert Pendulum device.
A. Hardness
B. Tensile
C. Toughness
D. Compressive
✅ The correct answer is option A.
The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the
A. Work hardening
B. Bauschinger effect
C. Creeping effect
D. Stress recovery effect
✅ The correct answer is option B.
Enzymes belong to the category of
A. Proteins
B. Carbohydrates
C. Vitamins
D. Fats
✅ The correct answer is option A.
Unit molar solution of __________ is the best conductor of electricity.
A. Sodium chloride
B. Acetic acid
C. Sulphuric acid
D. Sucrose
✅ The correct answer is option C.
While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the
A. Low impact strength
B. High flexibility
C. Better finish and surface appearance
D. High plastic deformation
✅ The correct answer is option A.
Basicity [%Cao + %MgO/% SiO₂) of the slag in Indian blast furnace is in the range of
A. 0.7-1.0
B. 1.1-1.4
C. 1.5 – 1.8
D. 2.0 – 2.5
✅ The correct answer is option B.
For preparation of porous bearings by powder metallurgy, preferred particle shape is
A. Spherical
B. Nodular
C. Irregular
D. No preferred shape
✅ The correct answer is option A.