EMT Practice Test

1. Question Content...

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Question1: Materials having refractory properties which form a refractory body when bonded into a conglomerate mass by a matrix is called

Question2: Refractory failure mechanisms are.

Question3: A metallic anchor, usually V-stud which has a foot-shaped configuration at the base to aid weld attachment to the shell is called.

Question4: Compositions of ground refractory materials which require relatively high temperatures for the development of an adequate bond (commonly called the ceramic bond) is called

Question5: An internal component used for the separation of solids from flue or product gas in a fluid coking unit is called

Question6: The color of stripe for 304L alloy material of metallic anchor is

Question7: A metallic anchor used to attach ceramic anchors to the casing or shall of a processing unit is

Question8: A natural or synthetic mineral theoretically consisting solely of alumina (Al2O3), specific gravity 4.00 - 4.02, melting point 3720?F. (2050? C) Hardness 8.8 is called

Question9: To compose a sample for the modulus of rupture test from an equivalent number of refractory shapes, the specimen should be

Question10: Refractories means

Question11: The formation of slag takes place by chemical action and fusion at furnace operating temperature in the way of

Question12: Arrange for testing at either an independent laboratory or the manufacturer's plant is

Question13: A typical example of hexalt anchor is

Question14: For air-setting phosphate bonded, erosion-resistant refractories mixing, the mixer's paddles, and bowls shall be

Question15: The vessel in which coke and residual hydrocarbons are burned off the catalyst and the flue gas is then separated from the catalyst is called

Question16: The vessel downstream of the reactor used to separate different product fractions is called

Question17: Commercially on calcined basis bauxite must contain at least

Question18: Blanket, Module, Bulk paper, rope, and vacuum formed shaped are:

Question19: The surface of a refractory section exposed to the source of heat

Question20: Refractories whose major constituent is lime, magnesia, or both and which may react chemically with acid refractories, acid slags, or acid fluxes at a high temperature is known as

Question21: The increase in linear dimensions and volume which occurs when materials are heated and which is counterbalanced by contraction of equal amounts when the materials are cooled.

Question22: Fiber concentrations typically range is

Question23: The test specimen of castable refractory for cold crushing strength shall be

Question24: The exposure of a material or body to a rapid change in temperature which may have a deleterious effect

Question25: A condition describing a refractory lining that is soft and friable

Question26: In API RP 936, the referenced ASTM standard procedure for cold crushing strength and modulus of rupture is

Question27: A group of rock minerals having nearly perfect cleavage in one direction and consisting of thin elastic plates and the most common varieties are muscovite and biotite is called

Question28: The term that describes the condition of pre-set refractory in which gravitational forces cause it to lose its desired shaped is called

Question29: The property of matter by virtue of which heat energy is transmitted through particles in contact.

Question30: The application of monolithic refractories by means of air placement guns is

Question31: Based on screen analysis the fines (cement, fumed silica, fine alumina) in typical modern castable is

Question32: A metallic anchor made from rod or bar stock that is configured in a V-shape is called

Question33: Section of transfer line in which flow is in a downward direction is called