Related Questions

The alloy used for making electrical resistances and heating elements is
A Nichrome
B Invar
C Magnin
D Elinvar
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?
A Babbitt metal
B Monel metal
C Nichrome
D Phosphor bronze
In an electric room heat convector the method of heating used is Resistance heating
A True
B False
Constantan an alloy used in thermocouples is an alloy of
A Copper and tin
B Copper and zinc
C Copper and iron
D Copper and nickel
Which of the following metals is used for the manufacture of heating elements provided in electric iron ?
A Nickel
B Chromium
C Nichrome
D Tungsten
In resistance heating highest working temperature is obtained from heating elements made of
A Nickel copper
B Nichrome
C Silicon carbide
D Silver
Perminvar alloy having constant permeability is an alloy of
A Nickel, copper and iron
B Nickel, copper and zinc
C Copper, nickel and antimony
D Iron, zinc and bismuth
The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.
A Less than
B Equal to
C More than
D Either B or C; depends on the type of alloy
Which of the following represents examples of an IT input device, output device and storage device respectively ?
A bar code reader, CD drive, projector
B keyboard, monitor, hard disc
C printer, DVD drive, joystick
D printer, mouse, monitor
If A has 4 elements and B has 8 elements then the minimum and maximum number of elements in A∪B are respectively __
A 4,8
B 8,12
C 4,12
D 6,12

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