Civil Service Exam

4 Questions | Total Attempts: 1108

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Civil Service Exam

This is a practice test for civil service aspirants


Questions and Answers
  • 1. 
    A concave lens always forms an image which is
    • A. 

      Real and erect

    • B. 

      Virtual and erect

    • C. 

      Real and inverted

    • D. 

      Virtual and inverted

  • 2. 
    A vitamin requires cobalt for its activity.The vitamin is
    • A. 

      Vitamin B12

    • B. 

      Vitamin D

    • C. 

      Vitamin B2

    • D. 

      Vitamin A

  • 3. 
    One of the constituents of tear gas is
    • A. 

      Ethane

    • B. 

      Ethanol

    • C. 

      Ether

    • D. 

      Chloropicrin

  • 4. 
    The modulus of rigidity is the ratio of
    • A. 

      Longitudinal stress to longitudinal strain

    • B. 

      Volume streaa to volume strain

    • C. 

      Shearing stress to shearing strain

    • D. 

      Tensile stress to tensile strain