1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The heating element in an electric iron is usually made of
A
Constantan
B
Tungsten
C
Nichrome
D
Copper
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Sita, 1.5 m high, stands before a plane mirror fixed on a wall to view her full image. What should be the minimum height of the plane mirror so that Sita can view her image fully?
A
0.50 m
B
0.35 m
C
0.75 m
D
0.25 m
3
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Galvanization is a method of protecting iron from rusting by coating with a thin layer of
A
Gallium
B
Aluminum
C
Zinc
D
Silver
4
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following alloys contains a non-metal as one of its constituent?
A
Brass
B
Bronze
C
Amalgam
D
Steel
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