EKT ME Quiz 13

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Question 1

The equation where has:

• Aa unique solution
• Binfinite number of solutions
• Cno solutions
• Dnone of the above

Question 2

In the gold-leaf electroscope, When the electrode is charged by induction or by contact, the leaves acquire similar electric charges and repel each other due to which force?

• ACoulomb force
• BGravitational force
• CMagnetic force
• DNone of the above

Question 3

Investment casting is used for

• AMass production
• BShapes that are made with difficulty using complex patterns in sand casting
• CStainless steel parts
• DShapes which are complex, intricate and cannot be cast by any other method

Question 4

Mean of n numbers given below is

• AEqual to for
• BEqual to for
• CEqual to for
• DEqual to for

Question 5

If points A(1, 2, 3), B(3, 4, 7), C(–3, –2, –5) are collinear then the ratio in which B divides AC is-

• A–1 : 3
• B1 : 3
• C3 : 1
• DNone of these

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