#### Electrical engineering

• ( 1 ) It is the factor by which a mechanism multiplies the force put into it.

• 1) factor of safety
• 2) mechanical factor
• 3) mechanical advantage
• 4) mechanical coefficient
• Discussion in forum
Answer : 3) mechanical advantage
Solution :

discussion

Answer : 3) mechanical advantage

• ( 2 ) Rolling resistance coefficient is a dimensionless quantity also known as

• 1) coefficient of rolling friction
• 2) coefficient of friction
• 3) coefficient of resistance
• 4) rolling friction constant
• Discussion in forum
Answer : 1) coefficient of rolling friction
Solution :

discussion

Answer : 1) coefficient of rolling friction

• ( 3 ) The value of Gforce is equal to

• 1) 1.211 x 1041 N
• 2) 1.211 x 1042 N
• 3) 1.211 x 1043 N
• 4) 1.211 x 1044 N
• Discussion in forum
Answer : 4) 1.211 x 1044 N
Solution :

discussion

Answer : 4) 1.211 x 1044 N

• ( 4 ) Centripetal acceleration

• 1) changes the direction of the velocity.
• 2) changes the magnitude of the velocity.
• 3) changes the magnitude of angular velocity.
• 4) changes nothing about velocity.
• Discussion in forum
Answer : 1) changes the direction of the velocity.
Solution :

discussion

Answer : 1) changes the direction of the velocity.

• ( 5 ) Torricelli's equation of motion is

• 1) Vf2 = Vi2 + 2as
• 2) Vf = Vi + at
• 3) Vf2 = Vi2 + at
• 4) Vf = Vi + 2as
• Discussion in forum
Answer : 1) Vf2 = Vi2 + 2as
Solution :

discussion

Answer : 1) Vf2 = Vi2 + 2as

• ( 6 ) It is an equation used to find the final velocity of an object moving with a constant acceleration without having a known time interval.

• 1) Bernoulli's equation
• 2) Torricelli's equation
• 3) Newton's equation
• 4) Cavendish's equation
• Discussion in forum
Answer : 2) Torricelli's equation
Solution :

discussion

Answer : 2) Torricelli's equation

• ( 8 ) It defines limits on how accurately the momentum and position of a single observable system can be known at once.

• 1) Heisenberg uncertainty principle
• 2) particle momentum principle
• 3) particle position principle
• 4) Bohr's uncertainty principle
• Discussion in forum
Answer : 1) Heisenberg uncertainty principle
Solution :

discussion

Answer : 1) Heisenberg uncertainty principle

• ( 9 ) Collisions in which objects rebound with the same speed as they had prior to the collision are known as __________.

• 1) elastic collisions
• 2) inelastic collisions
• 3) static collisions
• 4) plastic collisions
• Discussion in forum
Answer : 1) elastic collisions
Solution :

discussion

Answer : 1) elastic collisions

• ( 10 ) It is an additional force that exactly balances a resultant force.

• 1) reactant
• 2) equilibrant
• 3) buoyant
• 4) reverse effective force
• Discussion in forum
Answer : 2) equilibrant
Solution :

discussion

Answer : 2) equilibrant