Ball valves are commonly used to_________?

Related Mcqs:

1. Balls for ball bearings are made of_________________?

   A. cast iron B. mild steel C. stainless steel D. carbon-chrome steel E. high carbon steel...

2. PERT stands for k (fit) project evaluation and review technique__________________?

   A. project examination and review technique B. project evaluation and reporting technique C. process execution and reporting technology D. project execution and results technique...

3. Petrol is distilled at a temperature in range of__________________?

   A. 30 – 65°C B. 65 – 220°C C. 220-350°C D. 350-450°C E. 450-550°C...

4. The essential equipment for producing high vlotage for sparking in petrol engines with battery is_______________?

   A. ignition coil B. ignition coil and distributor C. ignition coil and condenser D. ignition coil and contact breaker E. ignition coil, contact breaker and con-denser...

5. White cast iron contains carbon in the form of__________________?

   A. free carbon B. graphite C. cementite D. white carbon E. ferrite...

6. Argentite is the principal ore or raw material for _________________?

   A. aluminium B. tin C. zinc D. lead E. silver...

7. The crystal structure of gamma iron is_________________?

   A. body centred cubic B. face centred cubic C. hexagonal close packed D. cubic structure E. orthorhombic crystal...

8. Taps, dies and drills contain carbon________________?

   A. below 0.5% B. below 1% C. above 1% D. above 2.2% E. nil...

9. Corrundum contains more than 95% _____________________?

   A. steel B. A1203 C. Si02 D. MgO E. german silver...

10. Dow metal contains____________________?

    A. 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe B. 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg C. 90% aluminium and 90% copper D. 90% magnesium and 9% aluminium with some copper E. 90% magnesium and 10% tin...