A. Brine (sea water)
B. Diamond
C. Distilled water
D. Glass
Related Mcqs:
- Out of the following the refractive index is the highest for____________________?
A. Glass
B. Diamond
C. Brine
D. Kerosene - 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 - 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 - 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 materials has the least scrap value ?
A. Aluminium
B. Stainless steel
C. Brass
D. Copper - Which of the following has the least value of ultimate tensile strength (UTS) ?
A. Medium carbon steel
B. High carbon steel
C. Cast iron
D. Wrought iron - Which of the following if present in iron ore, enhances its value ?
A. Alumina
B. Alkali oxide
C. Lime & Magnesia
D. None of these - As per international norms, the maximum permissible value of noise level in the industrial environment is _____________ decibels as measured at a distance of 1.5 meters from the source of noise?
A. 110
B. 85
C. 60
D. 45
