A. Soldering
B. Welding
C. Brazing
D. Riveting
Correct Answer: Soldering ✔
Last Updated: February 08, 2019
Related MCQs
- Aluminium is extracted from__________?
- If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor?
- Metalloids__________?
- Use of flux during soldering is done to__________?
- __________ is the most suitable lubricant for drawing mild steel wires?
- Fog is an example of colloidal system of__________?
- A jet engine turbine blade is normally manufactured by__________?
- Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars?
- Wrought iron does not have__________?
- X-rays are__________?
- In extrusion of metals, which of the following statement is true ?
- A solar cell converts the sunlight directly into __________ energy?
- The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the__________?
- Which of the following does not discharge the dust collected as a dry solid?
- Hydro-cyclone is a__________?
- Tin based white metals are used, where bearings are subjected to__________?
- The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr?
- For preparation of porous bearings by powder metallurgy, preferred particle shape is__________?
- __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required?
- Cobalt – 60 is used as a source of __________ in medical therapy & industrial radiography?
- __________ is used for tying the steel columns to concrete foundation?
- Alloys having more than 80% copper are generally more__________?
- Friction factor for fluid flow in pipe does not depend upon the__________?
- Which of the following is preferred for riveting ?
- In case of simple harmonic motion, displacement is proportional to the__________?
- A material in which the atoms are arranged regularly in some directions but not in others, is termed as ‘mesomorphous material’; an example of which is__________?
- The best guide to judge the general quality of water is the measurement of its__________?
- The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm ?
- All of the following alloying elements of steel increases hardness but sacrifice ductility, except__________?
- Stainless steel is welded using__________?
- Fibre glass is a composite material of__________?
- One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m-1. k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is__________?
- Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV?
- On being hit with a hammer, __________ will readily fracture?
- The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel ?
- Which of the following does not have a sharp melting point ?
- Recrystallisation temperature of steel is __________ °C?
- Absolute zero pressure can be attained at a temperature of__________?
- Corrosion of metals cannot be prevented by its__________?
- Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when__________?
- Which of the following rays has the least wavelength ?
- Which of the following is not a principal alloying element for the structural steel ?
- The following type of bonding is strongly directional in solids ?
- Diffusion co-efficient of a metal in a solid solution depends upon its ?
- Mild steel has __________ crystal lattice structure?
- Wrought iron is never shaped by__________?
- Reduction in the grain size reduces the __________ of the material?
- Lead is poured into the joints between two __________ pipes?
- The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be__________?
- Out of the following, the __________ pipe has the least corrosion resistance?
- An alloy of Fe – 0.4 % C is__________?