Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?
Aluminium
Copper
Titanium
Stainless steel
- Cold chisel & hammers are made of
- Addition of __________ to steel does not help in improving its machinability.
- Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxyacetylene…
- Filler material used in welding should have __________ as compared to the parent metal to be welded.
- Matte smelting is used in the extraction of
- Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam…
- Load cells used for the measurement of weight has
- __________ is used for tying the steel columns to concrete foundation.
- Materials having __________ lattice structure are usually the most ductile.
- The best lubricants for a machine working at high temperature & load is
- For the Stoke's law to be valid in the case of a falling sphere in a fluid, the
- Fahrenheit and Centigrade scales have the same readings at
- Which of the following can be manufactured using powder metallurgy techniques?
- Which of the following does not discharge the dust collected as a dry solid?
- High relative humidity decreases the evaporative process and as the temperature is increased, the relative…
- Which of the following are considered applications of ultrasonic testing?
- Thermal efficiency of an internal combustion engine is around __________ percent.
- Oxyacetylene reducing flame is used while carrying out welding on
- Name the safety device used to protect the boiler, when the water level falls below a minimum level.
- Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.
- When the wavelength of incident X-rays increases, the angle of diffraction
- The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.
- Rain drops falling through atmospheric air attain limited terminal velocity, because of
- All of the following alloying elements of steel increases hardness but sacrifice ductility, except
- In electrical resistance welding, distortion results from the use of improper
- What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer…
- Most important property of steels for use in automobile bodies is the
- Electrostatic separation of minerals from each other is based on their differences in the following…
- Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional…
- With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________…