Go To Top Reset
<<= Back
Next =>>
You Are On Multi Choice Question Bank SET 3295
164751. Acme thread has --------------degree angle.
(A): 45 degree (B): 60 degree (C): 29 degree (D): 90 degree
164752. As steam expands in turbine :
(A): its specific volume increases (B): its pressure increases (C): its boiling point increases (D): its temperature increases
164753. pvn = constant, It is the relation for polytrophic process, if n = 0 then the process become :
(A): constant volume process (B): throttling process (C): constant temperature process (D): constant pressure process
164754. Morse test is conducted to find out the indicated power of :
(A): multi cylinder engines (B): two stroke engines (C): marine engines (D): low speed engine
164755. “Intensity of pressure at a point in a fluid at rest is same in all directions”, this law is :
(A): Hydrostatic law (B): Pascal’s law (C): Archimedes law (D): Hagen-Poiseuille law
164756. One liter of water occupies a volume of:
(A): 100 cm3 (B): 100000 cm3 (C): 1000 cm3 (D): 500 cm3
164757. The ratio of strength of solid to hollow shaft, both having outside diameter D and hollow having inside diameter D/2 in torsion is :
(A): 2018-01-02 00:00:00 (B): 15/16 (C): 2018-03-08 00:00:00 (D): 2018-01-04 00:00:00
164758. The bending moment is maximum on a section where the shearing force :
(A): changes sign (B): is maximum (C): is equal (D): is minimum
164759. A structure used to dam up a stream or a river, over which the water flows is called :
(A): dam (B): notch (C): orifice (D): weir
164760. The most efficient air standard cycle is :
(A): Carnot cycle (B): Otto cycle (C): Diesel cycle (D): Joule’s cycle
164761. The property of the fluid by which molecules of different kinds of fluids are attracted to each other is called:
(A): Adhesion (B): Viscosity (C): Cohesion (D): Surface tension
164762. In water tube boilers :
(A): forced circulation take place (B): flame and gas flows through the tube which surrounded by water (C): water passes through the tubes which are surrounded by the flame and gases (D): none of the above
164763. Venturimeter is used to :
(A): pressure difference of liquid flowing between two points in a pipeline (B): measure of the pressure of flowiiYg liquid (C): measure the dischargeof liquid flowing in apipe (D): measure the velocity of the liquid
164764. Which one of the process requires hare metal electrode and granular flux ?
(A): MAG welding (B): MIG welding (C): Submerged arc welding (D): Stud welding
164765. Spot welding, seam welding, flash butt welding is different methods of_____
(A): Resistance welding (B): Friction welding (C): Thermit welding (D): Electro slag welding
164766. Which type of electrode is used in submerged arc welding ?
(A): Cored electrode (B): Light coated electrode (C): Heavy coated electrode (D): Bare wire
164767. In which position is SAW welding is done ?
(A): Flat and Horizontal (B): Flat and Vertical (C): Flat and Overhead (D): HoriZAintal and Vertical
164768. Which one of the following is a resistance welding process ?
(A): Spot welding (B): Thermit welding (C): Forge welding (D): Explosive welding
164769. Shielded metal arc welding is classified under the process of ______.
(A): Electric resistance welding (B): Electric arc welding (C): Special welding (D): Electro gas welding
164770. Punches used for marking purpose are made of _______________.
(A): Cast iron (B): Mild steel (C): Stainless steel (D): High carbon steel
164771. A ball peen hammer is specified by____________
(A): Its weight (B): Length of handle (C): Shape of the face (D): The material of the head
164772. The tool used to draw lines on a chalk coated metal surface is called_______
(A): Wing compass (B): Try square (C): Steel rule (D): Scriber
164773. It is a resistance welding process in which roller type electrodes are used :
(A): Spot welding (B): Seam welding (C): Projection welding (D): Flash butt welding
164774. Which of the following metal plates can not be joined by projection welding ?
(A): Thin plates (B): Copper plates (C): Mild steel plates (D): Stainless steel plates
164775. What is the purpose of copper coating on the mild steel filler wire ?
(A): To heat faster (B): To increase strength (C): To avoid rusting (D): For good appearance
164776. Which mechanical properties of metal give resistance to pulling force ?
(A): Toughness (B): Ductility (C): Hardness (D): Tensile strength
164777. A key hole is to be maintained through out in the first run of butt joint to ensure :
(A): Crack free joint (B): Proper root penetration (C): Proper bead width (D): Good reinforcement
164778. Which of the following metal has highest thermal conductivity ?
(A): Zinc (B): Copper (C): Mild steel (D): Aluminum
164779. Over heating of blow pipe nozzle to be avoided because it will cause________.
(A): Flash back (B): Consume more gases (C): Create undercut (D): Cause bum through
164780. Oxygen gas will change into liquid condition at_________.
(A): -195.8°C (B): -182.9°C (C): -181.7°C (D): -172.8°C
164781. Which of the following metal has the highest melting temperature ?
(A): Copper (B): Tungsten (C): Aluminum (D): Mild steel
164782. In which position is electro slag welding generally done ?
(A): Horizontal (B): Vertical (C): Flat (D): Overhead
164783. One of the advantages of submerged arc welding is____________.
(A): High deposition rate and speed (B): Quality weld (C): Thick metal can be weld (D): All of above
164784. Which of the following are ferromagnetic materials ?
(A): Aluminum. Iron, Copper (B): Iron. Copper,Nickel (C): Iron, Cobalt, Nickel (D): Copper, Aluminum, Silver
164785. In the solvent removable penetrant process, excess penetrant is removed with :
(A): A water spray (B): A hydrophilic scrubber (C): A solvent spray (D): Clean, lint free towels slightly moistened with solvent
164786. The limitation of a liquid penetrant test is :
(A): Only surface breaking discontinuities can be detected (B): Porous materials cannot lie tested (C): There is cleaning problem following penetrant inspection in some cases (D): All of the listed limitations are correct
164787. Gas welding tip orifice should only be cleaned with :
(A): Soft copper wire (B): Tip cleaner (C): A small drill (D): Steel wire
164788. The function of injector in Low Pressure blow pipe is :
(A): High pressure oxygen draws acetylene and increases its velocity (B): Decrease the velocity of oxygen equal to acetylene velocity (C): To check the flow of oxygen (D): Increase the velocity of oxygen
164789. The nozzles are generally made of copper because :
(A): Rust will not take place (B): Air tight fitting (C): Cheaper (D): High melting point
164790. The blow pipe fitted with injector will prevent:
(A): Flash back (B): Reverse flow of acetylene gas (C): Flow of high pressure oxygen (D): Defects
164791. For removing water vapors from the acetylene gas, the material used is_____________.
(A): Filter wool (B): Steel wool (C): Pumice stone (D): Paper filter
164792. Glycerin is added to water in the hydraulic back pressure valve in order to________
(A): Prevent overheating (B): Prevent freezing (C): Cool (D): Remove salt content
164793. Why acetylene cylinders should always he kept upright/vertical position ?
(A): To save floor space (B): To get uniform flow of gas (C): To help welding in vertical position (D): To avoid the flow of acetone liquid along with gas
<<= Back
Next =>>
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web SolutionsPrivacy | Terms And Conditions
Powered By:Omega Web Solutions