Configuration of Bourdon spring tube is never made of _____________ shape?

Related Mcqs:

1. Bourdon tube is never made of________________?

   A. Phosphor bronze
   B. Monel metal
   C. Stainless steel
   D. Cast iron

2. Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by__________________?

   A. Making the volume of thermometer bulb as large as conveniently possible
   B. Reducing the volume of the capillary to a minimum
   C. Reducing the volume of the receiving element to a minimum
   D. All A , B & C.

3. Bourdon gauges are used for measuring pressure (kg/cm2) ?

   A. < atmospheric
   B. > 2 (gauge)
   C. 10 (absolute)

4. To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with ________________?

   A. Air
   B. A metal powder or graphite
   C. Oil
   D. Mercury

5. For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a__________________?

   A. Large area but small mass
   B. High thermal conductivity
   C. Small specific heat
   D. All A , B & C

6. In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the _____________ variable?

   A. Load
   B. Manipulated
   C. Controlled
   D. None of these

7. Which of the following is never used as an element of industrial resistance thermometer ?

   A. Lead
   B. Nickel
   C. Copper
   D. 30% iron + 70% nickel

8. The pressure sensing element of elastic type pressure gauge is never made in the form of a_________________?

   A. Bellow
   B. Diaphragm
   C. Strip
   D. Bourdon tube

9. The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter D. and shape & number of corrugations. Its deflection is proportional to_______________?

   A. d
   B. d2
   C. d3
   D. d4

10. In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the ______________ variable?

    A. Load
    B. Controlled
    C. Manipulated
    D. None of these