[2023] Use Valid New API-936 Questions – Top choice Help You Gain Success [Q10-Q27]

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[2023] Use Valid New API-936 Questions – Top choice Help You Gain Success

API-936 Exam Practice Materials Collection

Q10. Based on-screen analysis, the size of Alumina – silicate aggregate in typical modern castable is

50 – 60%

60 – 70%

70 – 8-%

None of the above

Q11. 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

Corundum

Kaolin

Mica

None of the above

Q12. In API RP 936, the referenced ASTM standard procedure for cold crushing strength and modulus of rupture is

C 133 – 97

C704 – 01

C181 – 91

None of the above

Q13. Refractory packing requirements, the weight in the bag, shall not deviate by more than

±1%

± 2%

± 3%

± 4%

Q14. The formation of slag takes place by chemical action and fusion at furnace operating temperature in the way of

In smelting operation, through the combination of a flux, such as limestone, with the gangue or waste portion of the ore

In the refining of metals by substances such as lime added for the purpose of affecting or aiding the refining

By chemical reaction between refractories and fluxing agents such as coal ash, or between two different types of refractories

All of the above

Q15. The standard size of a fabricated test panel for pneumatic gunning qualification is

(500 mm x 500 mm)

(600 mm x 600 mm) 24 ” x 24″

(700 mm x 700 mm)

None of the above

Q16. Refractory lined pipe used for the transport of hot particulate medium and gases between process vessels is called

Transfer line of FCCU

Standpipe of FCCU

Fractionator of FCCU

None of the above

Q17. The loss of fragmented refractories from the face of the refractory structure, through cracking and rupturing which results in the exposure of the original inner portion of the refractory lining is called

Bypassing

Erosion

Spalling

Sheeting

Q18. As per API recommended practice 936, the standard test method for reheat change of refractory brick is

C113 – 02

C 133 – 97

C 181 – 91

None of the above

Q19. The standard test method for abrasion resistance of refractory materials at room temperature is

C 181 – 91

C 704 – 01

C 133 – 97

None of the above

Q20. The term that describes the condition of pre-set refractory in which gravitational forces cause it to lose its desired shaped is called

Bloating

Punky

Slumping

None of the above

Q21. Cristobalite is an important constituent of

Alumina bricks

Silica brick

Magnesia brick

Insulating brick

Q22. The color of stripe for Inconel 600 alloy material of metallic anchor is

1 solid black

2 solid black

2 solid blue

None of the above

Q23. Spalling of layers from the hot surface of a refractory lining is called

Spalling

Sheeting

Crumbling

Erosion

Q24. API 936, the standard test method for the workability index of fire clay and high alumina plastic refractories are

C 113 – 02

C 133 – 97

C 181 – 91

None of the above

Q25. The selected compression test section of the specimen for the CCs test shall be free from

cCracks

Chipped surfaces

Other obvious defects

All of the above

Q26. Arrange for testing at either an independent laboratory or the manufacturer’s plant is

Owner responsibility

Inspector responsibility

Contractor responsibility

Manufacturer responsibility

Q27. Compositions of ground refractory materials which require relatively high temperatures for the development of an adequate bond (commonly called the ceramic bond) is called

air setting refractories

heat setting refractories

air and heat setting refractories

none of the above

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