Lap joints are preferred over butt joints in soldering/brazing, because these joints are
Weaker in tension but stronger in shear
Weaker in shear but stronger in tension
Stronger in both shear and tension
The lap joints are easily made
- The most detrimental impurity in high pressure boiler feed water is
- Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical…
- The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
- Which of the following low melting alloy containing bismuth and lead is used for electric fuse?
- Ultimate strength in tension as compared to that in shear for steel is
- The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
- Dryness fraction of dry steam is
- Pick out the wrong statement.
- Pick out the correct statement.
- Annealing of white cast iron produces __________ iron.
- In case of compression of one kg of air, the work done will be the least, when the value of polytropic…
- The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 ×…
- The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.
- Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative…
- Highest cutting speed is achieved by the __________ tool material.
- Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when
- Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying…
- Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
- Which of the following is used to produce draught in the locomotive boilers?
- One of the methods of purification of leach liquor is ion exchange, which involves
- The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following…
- Neutrons are present in all atoms except that of
- Pick out the wrong statement.
- A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
- Silicon percentage in silicon steel used for electrical equipments is about
- Electrochemical corrosion can occur, only if __________ is present in contact with metal.
- Transformation range for ferrous material is the temperature interval during which __________ is formed…
- Carbon is present in the form of __________ in grey cast iron.
- Lead pencil contains
- The main charge in blast furnace is usually