engineering recuitment GATE IN Test Series 2023-24 Mock Test Sensors and Industrial Instrumentation Measurement of Viscosity
A viscous damper consists of a sliding piston and a cylinder filled with oil of kinematic viscosity 5 × 10-5 m2/s. A damping force of 20 N is applied on the piston and the steady state velocity reached is 10 mm/s. The damping co-efficient of the damper is
1
2 Ns/mm
2
4 Ns/mm
3
10 Ns/mm
4
20 Ns/mm