Hints СИСтема механики рабочий дип

Which muscle is the most persevering one in the body?

• triceps
• biceps
• the lungs

• heart

During maintenance on a main diesel engine work the fuel injection valve is found to be jammed in the pocket in the cylinder cover. Which of the procedures given in the options should be followed in order to complete the work?

• With the fuel injection valve retaining nuts removed admit compressed air into the engine cylinder to try and blow the injection valve out of the pocket.

• Replace the complete cylinder cover with a spare unit and land the cover with the jammed valve ashore for repair in a specialist workshop.

• Remove the cylinder cover and try and drive the injection valve out of the pocket from the underside with a hammer and punch.

• Wedge a bar between the piston top and the bottom of the injector and use the turning gear to force the injection valve out.

What is the purpose of the Ship Security Plan?

• Outline specific measures for your ship to move from security level 1 to 2 and from 2 to 3.

• Outline the organizational structure for the ship.

• Detail the duties of shipboard personnel assigned security responsibilities.

• Protect your ship from risks posed by security threats or incidents

How many Radar Transponders (SART) are required to be carried onboard a ship for use in survival crafts?

• One on each side of the ship

• One in each lifeboat

• Two on each side of the ship

• 2, one of which being capable of floating free if the ship sinks

What would be considered to be the normal service life for rolling contact bearings fitted to a large turbocharger for a diesel engine?

• At least 30000 hours

• 8000-12000 hours.

• 20000-25000 hours.

• 12000 to 20000 hours

Check-synchroniser equipment is often installed to:

• Ensure fair equal sharing between generators

• Allow auto-synchronising to take place

• Prevent manual synchronising outside permitted limits

• Permit faster paralleling

During maintenance work on a main diesel engine the fuel injection valve is found to be jammed in the pocket in the cylinder cover. Which of the procedures given in the options should be followed in order to complete the work?

• With the fuel injection valve retaining nuts removed admit compressed air into the engine cylinder to try and blow the injection valve out of the pocket.

• Replace the complete cylinder cover with a spare unit and land the cover with the jammed valve ashore for repair in a specialist workshop.

• Remove the cylinder cover and try and drive the injection valve out of the pocket from the underside with a hammer and punch.

• Wedge a bar between the piston top and the bottom of the injector and use the turning gear to force the injection valve out.

Why did he study the contract in detail before signing it?

• He studied the contract in detail before signing it because he wanted to know when he could return home

• He studied the contract in detail before signing it because he wanted to be put ashore for medical treatment

• He studied the contract in detail before signing it because he wanted to know his duties

• He studied the contract in detail before signing it because he wanted to improve his English language skills

Which of the following alternatives summarise the benefits of using high voltage on ships?

• More efficient transformers and electrical machines

• Smaller cables and better power factors

• Smaller conductors, machines and switchgear

• Smaller conductors, insulators and transformers

Which of the following instruments is normally part of a control-loop?

• Indicator

• actuator
• transducer

• gauge