______________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently ?

Related Mcqs:

1. _____________________ of grey cast iron produces white cast iron?

   A. Tempering
   B. Rapid heating
   C. Rapid cooling
   D. Slow cooling

2. Steel & cast iron pipes are produced by ______________ casting ?

   A. Slush
   B. Die
   C. Investment
   D. True centrifugal

3. Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________________?

   A. Black
   B. Silver grey
   C. Green
   D. Yellow

4. Annealing of white cast iron produces _____________________ iron?

   A. Grey
   B. Nodular
   C. Malleable
   D. Spheroidal

5. ______________________ iron is produced by the annealing of white cast iron?

   A. Malleable
   B. Nodular
   C. Ductile
   D. Grey

6. As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the _____________ joint ?

   A. Butt
   B. Lap
   C. Welded
   D. None of these

7. Lead is poured into the joint between two ______________ pipes?

   A. Mild steel
   B. Concrete
   C. Cast iron
   D. Asbestos cement

8. Maximum permissible air velocity in pipelines is about ______________ metre/second ?

   A. 5
   B. 10
   C. 20
   D. 40

9. Cast iron contains ____________________ percent carbon?

   A. 2.5
   B. 3.75
   C. 4.75
   D. 5.25

10. Silicon percentage in acid resistant cast iron is about ___________________?

    A. 4
    B. 8
    C. 14
    D. 20