Explosion Welding
TRICLAD attachment of aluminium superstructures to a steel hull
Weld Defects
Thermocouple
Bimetallic strip thermometer
Remote reading gauge glass
The six degrees of freedom
Temperature measuring system
Dynamic test inputs
Basic elements in a control loop
Actual elements in a control loop
Controller action response
Manometers: (top) U-tube manometer; (bottom) inclined manometer
Bourdon tube gauge
Aneroid barometer
Engine indicator
Oil water interface detector
Flow nozzle
Turbine flowmeter
Mechanical tachometer
Drag cup tachometer
Strain gauge torsionmeter
Differential transformer torsionmeter
Magnetic stress torsionmeter
Dionic water purity meter
pH measurement electrodes
pH measurement circuit
Electrochemical oxygen analyser
Carbon dioxide analyser
Viscosity sensor
Moving coil meter
Smoke detector
Half-wave rectification
Full-wave rectification, centre-tap transformer
Bridge rectifier
Filter circuit: (a) capacitor filter; (b) voltage waveform
Proportional controller and relay
Differential relay
Force balance proportional controller
Force balance proportional controller-beam type
Nozzle-flapper three-term controller
Nozzle-flapper three-term controller
Open-loop hydraulic circuit
Closed-loop hydraulic circuit
Hydraulic power pack
Hydraulic accumulator
Block diagram of a closed-loop control system
Elements in a control loop
Single and multi-loop control
Ratio control
Controllable pitch propeller: (a) hydraulic circuit
Spool valve
Proportional directional valve
Diaphragm actuator
Balanced vane pump
Radial piston pump-operation
Axial piston pump operation
Axial piston pump construction
Hydraulic ram unit
Hydraulic rotary valve actuator
Valve body
Control valve with cage
Butterfly valve2
Volume booster
Pressure regulator
Direct acting valve
Pneumatically operated direct-acting valve
Lubricating oil temperature control
Cooling water temperature control
Crankcase oil mist detection
Oil content monitoring system
Thermostatic expansion valve
Controllable pitch propeller control
Steering gear control