Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Chemical Engineering Basics
→
What is the percentage of chromium in 18-4-1 high speed steel ?
Related MCQs
Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250- 525°C, thereby changing austenite to__________?
With decrease in the grain size of a material, its creep resistance__________?
An oxidation process is accompanied with decrease in the__________?
Consumable electrodes are used in the __________ welding?
The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system__________?
Dew point temperature always gives an indication of the __________ of the moist air ?
Addition of __________ to steel does not help in improving its machinability?
In electrical resistance welding, distortion results from the use of improper__________?
__________ can replace tungsten in high speed steel ?
Multistage compression of air as compared to single stage compression offers the advantage of__________?
The cathode in an electrochemical cell always carries__________?
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio) ?
Cold chisel & hammers are made of__________?
Dislocation cross-slip is difficult in those materials, which have__________?
In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C?
For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys ?
A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C?
Spark plug is provided in a/an__________?
Pick out the correct statement about the condensation?
Pick out the correct statement?
Pick out the wrong statement ?
Pick out the wrong statement ?
Pick out the wrong statement ?
Pick out the wrong statement ?
Pick out the wrong statement?
Pick out the wrong statement about the machinability of metals. Machinability of a metal ?
Increasing the carbon content of steel__________?
The ‘transition temperature’ for ductile to brittle behavior of steel increases with increase in the __________ content in steel?
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________?
Out of the following, the most malleable material is__________?
Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal__________?
While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C ?
Oxyacetylene reducing flame is used while carrying out welding on__________?
Adhesives__________?
Name the safety device used to protect the boiler, when the water level falls below a minimum level ?
__________ rubber is generally used for making ‘O’ rings used for vacuum sealings?
A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient ?
Earing is a defect found in steels after the following metal working operation ?
Routing in production, planning & control is concerned with the__________?
Steel & cast iron pipes are produced by __________ casting ?
Magnesium is present in__________?
All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent ?
Highest cutting speed is achieved by the __________ tool material ?
Which of the following materials has the poorest electrical conductivity ?
For an ideal gas, Cp – Cv is__________?
Viscoelastic behaviour is observed in __________ materials?
Load cells used for the measurement of weight has__________?
The order of a chemical reaction__________?
With increase in temperature, the electrical conductivity of a __________ decreases ?
Which of the following if present in iron ore, enhances its value ?
Out of the following the refractive index is the highest for__________?
What is the percentage of chromium in 18-4-1 high speed steel ?
A. 1
B. 4
C. 18
D. 23
Correct Answer:
1
✔
Last Updated:
February 11, 2019