2023年最新の実際に出る無料API API-936試験問題集と解答 [Q56-Q77]

質問56、 The test specimen of castable refractory for cold crushing strength shall be

質問57、 The standard test method for abrasion resistance of refractory materials at room temperature is

質問58、 A group of impure magnesium silicate minerals that occur in a fiberous form is known as

質問59、 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.

質問60、 The term that describes the condition of pre-set refractory in which gravitational forces cause it to lose its desired shaped is called

質問61、 For fire clay and some high alumina materials, the most commonly used index of refractoriness is known as:

質問62、 The formation of slag takes place by chemical action and fusion at furnace operating temperature in the way of

質問63、 The vessel in which cracking reaction occurs or is completed and product gases are separated from coke and/or catalyst particulate is called

質問64、 Commercially on calcined basis bauxite must contain at least

質問65、 Compositions of ground refractory materials which require relatively high temperatures for the development of an adequate bond (commonly called the ceramic bond) is called

質問66、 Heating the new refractory too rapidly will cause

質問67、 A combination of refractory grain and suitable bonding agent that, after the addition of a proper liquid, is generally poured into place to form a refractory shape or structure which becomes rigid because of chemical action is called

質問68、 The length of metal fiber is

質問69、 A refractory materials, stiffer than plastic, that cannot be extruded but has suitable properties to permit ramming into place to form a monolithic structure

質問70、 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

質問71、 Materials having refractory properties which form a refractory body when bonded into a conglomerate mass by a matrix is called

質問72、 Enclosure inside the top head of a reactor or regenerator vessel which supports the cyclones and in which gases exiting the cyclone outlets are collected is called

質問73、 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

質問74、 Forms (types) of refractory

質問75、 As installed testing is the terminology for testing refractory that was sampled during installation in order to confirm that they meet specified.

質問76、 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

質問77、 Cristobalite is an important constituent of