A. metric
B. buttress
C. square
D. acme
E. NPT (national pipe threads)
Related Mcqs:
- If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited ________________?
A. square
B. acme
C. buttress
D. BSW
E. metric - For applications involving high stresses in one direction only the following type of thread would be best suited______________________?
A. ISO metric thread
B. acme thread
C. square thread
D. buttress thread
E. British Association thread - If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation_______________?
A. 102 d
B. 124 d
C. 138 d
D. 151 d
E. 168 d - The crest diameter of a screw thread is same as _____________________?
A. major diameter
B. minor diameter
C. pitch diameter
D. core diameter
E. none of the above - Which of the following pipe joints would be suitable for pipes carrying steam_____________?
A. flanged
B. threaded
C. bell and spigot
D. expansion
E. compression - Transverse fillet welded joints are designed for________________?
A. tensile strength
B. compressive strength
C. shear strength
D. bending strength
E. torsional strength - In hydrostatic bearings ____________________?
A. the Oil film pressure is generated only by the rotation of the journal
B. the oil film is maintained by supplying oil under pressure
C. do not require external supply of lubricant
D. grease is used for lubrication
E. none of the above - Guest’s theory of failure is applicable for following type of materials_________________?
A. brittle
B. ductile
C. elastic
D. plastic
E. tough - Rankine’s theory of failure is applicable for following type of materials___________________?
A. brittle
B. ductile
C. elastic
D. plastic
E. tough - Ball bearing type screws are found in following application_____________________?
A. screw jack
B. aeroplane engines
C. crane
D. steering mechanism
E. bench vice
