Describes a portable fluid power engineering laboratory and class demonstration apparatus designed to enable students to design, build, and test multi-actuator circuits. Features a variety of standard pneumatic values and actuators fitted with quick disconnect couplings. Discusses sequencing circuit boards, microcomputer control, cost, and…

Describes a system using a microcomputer and student response pad which obtains and records individual student reactions during a given classroom situation. The system can be used during tests, quizzes, lectures, discussions, and student presentations with the data bank available for immediate feedback. (SK)