WSC Group 4 Level 1_26-36 level 2_1-14

The viscosity of a fluid in motion is 1.0 Poise. Its viscosity will be

• 0.0 Poise when fluid is at rest
• 0.5 Poise when fluid is at rest
• 1.0 Poise when fluid is at rest
• 2.0 Poise when fluid is at rest

Using Kirchoff s Rule in figure given below, what is the amount of current in I1?

• 10 Ampere
• 45 Ampere
• 50 Ampere
• 60 Ampere

What is the distance of point of intersection of straight lines 2x + 3y = 6 and y = x + 7 from the origin?

• 7
• 5
• 4
• 3

A cannon ball is dropped from a tower. As it falls ..........

• Kinetic energy increases; Potential energy decreases
• Kinetic energy decreases; Potential energy increases
• Kinetic energy increase; Potential energy increases
• Kinetic energy decreases; Potential energy decreases

By stretching arrow (figure below), you are storing ............

• Kinetic energy
• Potential energy
• Kinetic energy and potential energy both
• Neither kinetic energy nor potential energy

With the help of a pulley, a person is able to raise a load of 500 N through 8 m. He applies a force of 95 N on the rope and pulls it through 64 m. Here efficiency = ....

• 0.586
• 0.568
• 0.658
• 0.865

The capacitance of a capacitor (symbol shown below) depends on ...............

• Area of the plates
• Spacing between plates
• Type od dielectric used
• All of these

What happens to the strength of an electromagnet as you add more coils around it?

• It increase
• It decreases
• It remains the same
• It stops completely

German silver contains ..................

• Nickel, Chromium and Zinc
• Chromium, Vanadium and Copper
• Nickel, chromium and vanadium
• Nickel, Zinc and Copper

Which of these stress can also be known as hoop stress?

• Axial stress
• Longitudinal stress
• Fluid stress
• Circumferential stress