John Crane Quiz

John Crane is headquartered in which country?

• Taiwan

• USA

• UK

• Malaysia

How many John Crane service centres are there in Malaysia?

• 2 - Bintulu, Kemaman

• 3 - Bintulu, Kemaman, Port Dickson

• 4 - Bintulu, Kemaman, Port Dickson, Kuala Lumpur

• 5 - Bintulu, Kemaman, Port Dickson, Kuala Lumpur, Pengerang

John Crane is part of which group?

• Smiths Group

• Apollo Group

• Pepsi Group

• Dover Group

Which API code is exclusively used for wet seals?

• API 692

• API 614

• API 682

• API 617

Which of the below is a compressor gas seals?

• Type 28

• Type 1648

• Type 5600

• Type 609

What was used for sealing pumps before invention of mechanical seal?

• Gasket

• Packings

• O-ring

• None of the above

For primary sealing elements - Minimizing Leakage, which of the following is correct?

• Close clearance = less leakage & less wear

• Greater clearance = more leakage & increased wear

• Close clearance = less leakage & increased wear

• Greater clearance = less leakage & less wear

For wet mechanical seals, faces lapped flat to within how many light bands?

• 0.5 - 1 light bands

• 1 - 3 light bands

• 3 - 6 light bands

• 6 - 12 light bands

Advantage(s) of using Carbon - Graphite. Answer could be more than 1.

• Good self-lubricating properties

• Limited temperature range

• Easy to machine

• High cost