MOM-UNIT-8 TO 12

_________ can be defined as simply the cyclic or oscillating motion of a machine or machine component from its position of rest.

• Balancing
• Vibrations
• Mountings
• Unbalancing

Identify the Factors which is related to below vibration condition"A “heavy spot” in a rotating component"

• Imbalance
• Misalignment/shaft runout
• Wear
• Looseness

Identify the Factors which is related to below vibration condition"Vibration can result when machine shafts are out of line"

• Imbalance
• Misalignment/shaft runout
• Wear
• Looseness

Identify the Factors which is related to below vibration condition"components such as ball or roller bearings, drive belts or gears become worn,"

• Imbalance
• Misalignment/shaft runout
• Wear
• Looseness

Identify the Factors which is related to below vibration condition"component that is vibrating has loose bearings"

• Imbalance
• Misalignment/shaft runout
• Wear
• Looseness

Identify which method is used to reduce vibration for the following condition?"Amplitude decrease and period increase."

• Damping
• Isolation
• Tuning:
• Mass Addition

Identify which method is used to reduce vibration for the following condition?"Eliminate amplification due to resonance by changing a system or component natural frequency."

• Damping
• Isolation
• Tuning
• Mass Addition

Identify which method is used to reduce vibration for the following condition?"reduces the transmitted vibration response of a system by rearranging energy so that inertia (mass) opposes force."

• Damping
• Isolation
• Tuning
• Mass Addition

Identify which method is used to reduce vibration for the following condition?"Force input remains constant, acceleration (vibration response) will decrease."

• Damping
• Isolation
• Tuning
• Mass Addition

Which type of vibrations are also known as transient vibrations?

• Undamped vibrations
• Damped vibrations
• Torsional vibrations
• Transverse vibrations