# Engineering Machine - Engineering Machine objective questions and answers

1. The S.I.unit of pressure is.......

A.newton metre square

B.newton metre

C.newton per metre square or pascal

D.newton per metre

E.newton per cm square

C.newton per metre square or pascal

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2. In S.H.M. we have conservation.......

A.kinetic energy

B.potential enegry

C.momentum

D.total energy

E.all of the above

D.total energy

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3. The lenth of a second's pendulum is.........

A.99.0 cm

B.99.4 cm

C.100 cm

D.101 cm

E.101.10 cm

B.99.4 cm

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4. One joule is equal to......

A.102erg

B.107erg

C.105erg

D.104erg

E.103erg

B.107erg

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5. The sum of kinetic and potential energy of falling body.......

A.is constant at all points

B.varies from point to point

C.is maximum at starting and goes on increasing

D.is maximum at starting and then goes on decreasing

E.is maximum at the end

A.is constant at all points