Mechanical Properties of Fluids Test

Result

Mechanical Properties of Fluids Test - 79

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Weekly Quiz Competition

Question 1
4 / -1

Two wires are made of the same material and have the same volume. However, wire 1 has cross- sectional area A and wire 2 has cross-sectional Area 3A. If the length of wire 1 increases by on applying force F. How much force is needed to stretch wire 2 by same amount.

A
F

B
4F

C
6F

D
9F

Solution
Question 2
4 / -1

The dimensions of four wires of the same material are given below, in which wire the increase in length will be maximum when the same strain is applied.

A
Length 100 cm, Diameter 1 mm

B
Length 200 cm, Diameter 2 mm

C
Length 300 cm, Diameter 3 mm

D
Length 50 cm, Diameter 0.5 mm

Solution
Question 3
4 / -1

A wire is loaded by 6 kg at its one end, the increase in length is 12 mm. If the radius of the wire is doubled and all other magnitudes are unchanged, then increase in length will be.............

A
6 mm

B
3 mm

C
24 mm

D
48 mm

Solution
Question 4
4 / -1

A
E

B
2E

C

D

Solution
Question 5
4 / -1

A
40 kg

B
60 kg

C
80 kg

D
100 kg

Solution
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

There are two wires of same material and same length. While the diameter of second wire is 2 times, the diameter of first wire. Then what will be the ratio of extension produced in the wire by applying same load ?

A
1 : 1

B
2 : 1

C
1 : 2

D
4 : 1

Solution
Question 8
4 / -1

When the length of a wire having cross-section area 10^–6 m² is stretched by 0.1% then tension in it is 100 N. Young's modulus of material of wire is...........

A

B

C

D

Solution
Question 9
4 / -1

Two wires of equal lengths are made of the same material wire A has a diameter that is twice as that of wire B. If identical weights are suspended from the ends of these wires the increase in length is............

A
Four times for wire A as for wire B

B
Twice for wire A as for wire B

C
Half for wire A as for wire B

D
One–fourth for wire A as for wire B

Solution
Question 10
4 / -1

A

B

C

D

Solution