A. Glass
B. Diamond
C. Brine
D. Kerosene
Related Mcqs:
- Which of the following has the highest value of refractive index ?
A. Brine (sea water)
B. Diamond
C. Distilled water
D. Glass - Potable water means the water used for____________________?
A. Fire-fighting
B. Cooling
C. Drinking
D. Evaporation to produce steam - Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2) ?
A. High speed steel
B. Stainless steel
C. Tungsten carbide
D. Superalloys - M10 index of coke indicates its____________________?
A. Compressive strength
B. Hardness
C. Abrasion resistance
D. Impact strength - In case of compression of one kg of air, the work done will be the least, when the value of polytropic index ‘n’ is______________________?
A. 1
B. 1.4
C. 1.5
D. Y = Cp/Cv - The highest stress that a material can withstand for a specified length of time without excessive deformation is called the ____________ strength ?
A. Creep
B. Endurance
C. Fatigue
D. None of these - Highest cutting speed is achieved by the _______________ tool material ?
A. High speed steel
B. Carbide
C. Cast alloy
D. Plain carbon steel - Which of the following is preferred for riveting ?
A. Lap joint
B. Butt joint
C. Either A. or B.
D. Neither A. nor B. - Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog ?
A. Nitrogen oxides
B. Hydrocarbons
C. Both A. & B.
D. Carbon monoxide - Which of the following gases cause global warming ?
A. Carbon monoxide
B. Carbon dioxide
C. Nitrogen
D. Ozone
