What type of device is used as a coolant temperature sensor on a typical truck engine management system?
A. NTC thermistor
B. PTC thermistor
C. pyrometer
D. infrared thermometer
Answer: A
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In a large sensor network of 1024 nodes, 32 clusters are formed, with each cluster consisting of 32 nodes. Each CH employees 32x32 2-D matrix based secured symmetric keys to communicate with each member of the cluster; while 32x32 2-D matrix based bivariate polynomils to communicate among the CHs? Is this a feasible solution to provide increasing level of security based on criticality of data? Explain clearly.
What will be an ideal response?
A radiator can be damaged by a collision with the cooling fan blade if a fan clutch or water pump bearing fails.
Answer the following statement true (T) or false (F)
Technician A says that wrenches are made of cast iron. Technician B says that an open end wrench is the best tool to loosen a seized fastener. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The number of cubic feet in one cubic yard of concrete is _____
a. 3 b. 6 c. 9 d. 27