MCQ - TNPSC JTO
JTO - 436 - Fitter
436 - Unit VIII Metals Metal Non Metal
18)
Aluminium is widely used in electrical transmission lines because:
A.
B.
C.
D.
Answer: B
20)
The density of lead is about:
A.
B.
C.
D.
21)
The main ore of lead is:
A.
B.
C.
D.
22)
Lead is mostly used for:
A.
B.
C.
D.
23)
A key property of lead is
A.
B.
C.
D.
24)
The main ore of tin is:
A.
B.
C.
D.
25)
Tin is mainly used for:
A.
B.
C.
D.
26)
Bronze is an alloy of:
A.
B.
C.
D.
27)
A key property of tin is:
A.
B.
C.
D.
28)
The density of copper is about:
A.
B.
C.
D.
29)
The main ore of copper is:
A.
B.
C.
D.
30)
Copper is widely used in electrical applications because:
A.
B.
C.
D.
31)
Brass is an alloy of:
A.
B.
C.
D.
32)
The main ore of zinc is:
A.
B.
C.
D.