In hot wire anemometer used for gas flow measurement, the wire is normally made of ______________________?
A. Copper
B. Platinum
C. Constantan
D. Chromium
A. Copper
B. Platinum
C. Constantan
D. Chromium
A. Electronic valves
B. Boiler plates, rivets etc.
C. Turbine blades
D. Connecting rod
Addition of 2% nickel in steel makes it suitable for making ___________________? Read More »
Materials and Construction A. 0.1 to 0.35
B. 0.4 to 0.7
C. 0.8 to 1.5
D. 1.5 to 2
Low carbon steels are those in which carbon percentage is around____________________? Read More »
Materials and Construction A. Hastelloy
B. Monel metal
C. German silver
D. Inconel
Nickel and copper are the basic constituents of__________________? Read More »
Materials and Construction A. Nickel
B. Copper
C. Stainless steel
D. Brass
A. Nickel
B. Rubber
C. Aluminium
D. Glass
Sulphuric acid pickling tanks are lined with__________________? Read More »
Materials and Construction A. Hardness & brittleness increases
B. Ductility decreases
C. Both A. and B.
D. Neither A. nor B.
With increase in carbide/graphite ratio in cast iron, its__________________? Read More »
Materials and Construction A. Glass
B. Mica
C. Brass
D. Cast iron
Which is an amorphous material ? Read More »
Materials and Construction A. Plain carbon steel
B. Stainless steel
C. Rubber or durmet-20 lined
D. Lead
Ammonium chloride solution is stored/ treated in _____________ vessels/pipes? Read More »
Materials and Construction A. 80
B. 70
C. 90
D. 50