German silver is an alloy of copper, nickel and________________?
German silver is an alloy of copper, nickel and________________?
A. Zinc
B. Silver
C. Tin
D. Lead
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Kel-F is a material, which is________________?
Kel-F is a material, which is________________?A. Chemically known as Polychlorotrifluoroethylene (PTFE)
B. Having excellent chemical & high temperature resistance (upto 200°C)
C. Having elastomeric properties
D. All A., B. and C.Which of the following is the lightest of engineering metals ?
Which of the following is the lightest of engineering metals ?A. Magnesium
B. Aluminium
C. Titanium
D. TinBell metal is an alloy of
Question: Bell metal is an alloy of
[A].copper & zinc [B].
copper & tin [C].
copper & nickel [D].
zinc & tin Answer: Option B
Explanation:
No answer description available for this question.
Mild steel storage vessels are suitable for the storage of___________________?
Mild steel storage vessels are suitable for the storage of___________________?A. Anhydrous ammonia
B. Fatty acids
C. Hydrochloric acid (95%)
D. Sulphuric acid (25%)Which of the following is the most widely used insulating material for steam carrying pipelines ?
Which of the following is the most widely used insulating material for steam carrying pipelines ?A. Ceramic fibre blanket
B. Glass wool and 85% magnesia
C. Vermiculite
D. Slag woolPolythene (low or high density) containers are not corroded by___________________?
Polythene (low or high density) containers are not corroded by___________________?A. Sulphuric acid (10%) at room temperature
B. Nitric acid (95%) at room temperature
C. Sulphur trioxide at 60°C
D. Any of these