Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-29

  • question_answer
    The instrument that measures and records the relative humidity of air is

    A)  hydrometer      

    B)  hygrometer

    C)  lactometer

    D)  barometer

    Correct Answer: B


You need to login to perform this action.
You will be redirected in 3 sec spinner