Discussion
Home ‣ Chemical Engineering ‣ Materials and Construction Comments
- Question
German silver in an alloy of
Options- A. copper, nickel and zinc.
- B. copper, aluminium and silver.
- C. silver, zinc and aluminium.
- D. silver, nickel and zinc.
- Correct Answer
- copper, nickel and zinc.
- 1. 18-4-1 high speed steel contains 18%, 4% and 1% respectively of
Options- A. tungsten, vanadium and chromium
- B. tungsten, chromium and vanadium
- C. vanadium, chromium and tungsten
- D. chromium, tungsten and vanadium Discuss
- 2. Nickel (56%) and molybdenum (17%) alloys are called
Options- A. monel
- B. hastealloy C
- C. inconel
- D. bronzes Discuss
- 3. Babbit metal used for bearings is a____base alloy.
Options- A. tin
- B. lead
- C. aluminium
- D. copper Discuss
- 4. Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Lead pipes are readily corroded by
Options- A. dilute HCI
- B. acetic acid
- C. concentrated H2SO4
- D. none of these Discuss
- 5. Addition of __________ in steel can help in increasing the depth of hardness.
Options- A. nickel
- B. chromium
- C. vanadium
- D. tungsten Discuss
- 6. Which of the following stainless steels is non-magnetic?
Options- A. Ferritic
- B. Martensitic
- C. Austenitic
- D. None of these Discuss
- 7. Invar used in thermocouples is an alloy of nickel and
Options- A. iron
- B. copper
- C. chromium
- D. lead Discuss
- 8. White cast iron is not
Options- A. malleable
- B. whitish in color
- C. brittle
- D. strong and hard Discuss
- 9. Heavy duty bearings are usually made of
Options- A. white metal
- B. phosphorous bronze
- C. monel
- D. zinc Discuss
- 10. Ceramic recuperators are generally made of
Options- A. silicon carbide.
- B. calcium carbide.
- C. fireclay bricks.
- D. high alumina bricks. Discuss
Materials and Construction problems
Search Results
Correct Answer: tungsten, chromium and vanadium
Correct Answer: hastealloy C
Correct Answer: tin
Correct Answer: acetic acid
Correct Answer: tungsten
Correct Answer: Austenitic
Correct Answer: iron
Correct Answer: malleable
Correct Answer: white metal
Correct Answer: silicon carbide.
Comments
There are no comments.More in Chemical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.