In a punching press, which of the following quantity is constant?

Related MCQs

• In a punching press, load is 0 at the time of punching.
• The maximum shear force required for punching depends on  
• A machine punching 38 mm holes in 32 mm thick plate requires 7 N-m of energy per sq. mm of sheared area, find the maximum shear force required.
• Energy during actual punching operation is same as the energy supplied by the motor.
• The balance energy required for punching is supplied by the flywheel by  
• Key press detection and Key identification are:
• In the following picture the G is the center of gravity, the quantity h is known as the “offset”. I is the moment of inertia and k is the radius of gyration. Offset’s value is given by?
• An electronic device which converts physical quantity or energy from one form to another is called              
• 6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural frequency (fn), respectively, are
• Which of the following is incorrect regarding inertia force?